Fans will have a chance to go one-on-one with Roger Federer when he becomes the biggest sports star to host an “Ask Me Anything” Q&A session on the social news site Reddit on Friday at 1:30 p.m. EDT.

On Reddit, the community up votes the most popular questions submitted by fans around the world, ensuring that the most interesting questions will be put to the 17-time Grand Slam champion.

Federer will be following in the footsteps of Barack Obama and Bill Gates, whose sessions have been up-voted as the top AMAs of all-time by Reddit users, as well as personalities ranging from Stephen Colbert and Manu Ginobli to Psy and Bill Nye the Science Guy.